Internet Archive Search: creator:"Army Air Forces, 136th Radio Security Detachment"

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History Of The 136th Radio Security Detachment, 7 February 1942 To 30 April 1946 - Army Air Forces, 136th Radio Security Detachment
History Of The 136th Radio Security Detachment, 7 February 1942 To 30 April 1946 1946-05-20 "Radio transmission security is a little understood subject in the Amy Air Forces at the beginning of the recent war. Training manuals referred to radio security in a brief paragraph or two, with casual statements to the effect that it was possible for the enemy to obtain information from friendly radio transmissions...
Keywords: World War, 1939-1945 -- Electronic intelligence -- United States; WWII; World War II; United States. Army; US Army; World War, 1939-1945
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